Cheapest priced copy (Duel Decks: Phyrexia vs. the Coalition): $0.35 at Card Kingdom, near mint, their price list as of .
Allied Strategies 
Sorcery · Uncommon · Planeshift · #20
Domain — Target player draws a card for each basic land type among lands they control.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.35 to $4.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Phyrexia vs. the Coalition | 63 | Uncommon | $0.35 | — |
| Planeshift | 20 | Uncommon | $0.35 | $4.99 |
3 rulings from Wizards of the Coast
- 4 October 2004You draw one card per basic land type, not for each basic land. This makes it a maximum of 5 cards.
- 18 June 2021Domain abilities count the number of basic land types among lands you control, not how many lands you control or how many of any type.
- 18 June 2021The basic land types are Plains, Island, Swamp, Mountain, and Forest. Land types other than basic land types (such as Desert) don't contribute to domain abilities.